// Copyright 2013 Tumblr, Inc.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//     http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

package block

import (
	"circuit/app/sumr"
	"time"
)

// Sketch is the type of the value stored within the key-value store.
// This particular example implementation uses a sketch whose job is to
// be a simple counter. Users will typically make their own copy of the sumr
// service and substitute types like Sketch with ones suitable to their needs.
type Sketch struct {
	UpdateTime time.Time // Application-level timestamp of the key
	Key        sumr.Key
	Sum        float64
}
